import auth from '@/plugins/auth'
import router, { constantRoutes, dynamicRoutes } from '@/router'
import { getRouters } from '@/api/menu'
import { listApp } from '@/api/system/app'
import Layout from '@/layout/index'
import ParentView from '@/components/ParentView'
import InnerLink from '@/layout/components/InnerLink'
import { getOrgId } from '@/api/datart.js'
import { MessageBox, Message, Loading } from 'element-ui'
const permission = {
  state: {
    routes: [],
    addRoutes: [],
    defaultRoutes: [],
    topbarRouters: [],
    sidebarRouters: [],
  },
  mutations: {
    SET_ROUTES: (state, routes) => {
      state.addRoutes = routes
      state.routes = constantRoutes.concat(routes)
    },
    SET_DEFAULT_ROUTES: (state, routes) => {
      state.defaultRoutes = constantRoutes.concat(routes)
    },
    SET_TOPBAR_ROUTES: (state, routes) => {
      state.topbarRouters = routes
    },
    SET_SIDEBAR_ROUTERS: (state, routes) => {
      state.sidebarRouters = routes
    },
  },
  actions: {
    // 生成路由
    GenerateRoutes({ commit }) {
      return new Promise(async (resolve) => {
        // 向后端请求路由数据
        getRouters().then(async (res) => {
          const sdata = JSON.parse(JSON.stringify(res))
          const rdata = JSON.parse(JSON.stringify(res))

          const sidebarRoutes = filterAsyncRouter(sdata)
          const rewriteRoutes = filterAsyncRouter(rdata, false, true)
          const defaultRoute = getDefaultRouter(rewriteRoutes[0])
          rewriteRoutes.unshift(defaultRoute)
          // rewriteRoutes.push({ path: '*', redirect: '/404', hidden: true })
          // 微应用通配路由规则注册
          const appRewriteRoutes = await loadAppToMenus()
          let mergeRoutes = []
          if (appRewriteRoutes) {
            mergeRoutes = appRewriteRoutes.concat(rewriteRoutes)
          } else {
            mergeRoutes = rewriteRoutes
          }
          const dyncRoutes = filterDynamicRoutes(dynamicRoutes)
          router.addRoutes(dyncRoutes)
          commit('SET_ROUTES', mergeRoutes)
          commit('SET_SIDEBAR_ROUTERS', constantRoutes.concat(sidebarRoutes))
          commit('SET_DEFAULT_ROUTES', sidebarRoutes)
          commit('SET_TOPBAR_ROUTES', sidebarRoutes)

          resolve(mergeRoutes)
        })
      })
    },
  },
}

// 遍历后台传来的路由字符串，转换为组件对象
function filterAsyncRouter(asyncRouterMap, lastRouter = false, type = false) {
  return asyncRouterMap.filter((route) => {
    if (type && route.children) {
      route.children = filterChildren(route)
    }
    if (route.component) {
      // Layout ParentView 组件特殊处理
      if (route.component === 'Layout') {
        route.component = Layout
      } else if (route.component === 'ParentView') {
        route.component = ParentView
      } else if (route.component === 'InnerLink') {
        route.component = InnerLink
      } else {
        route.component = loadView(route.component, route)
      }
    }
    if (route.children != null && route.children && route.children.length) {
      route.children = filterAsyncRouter(route.children, route, type)
    } else {
      delete route['children']
      delete route['redirect']
    }
    return true
  })
}

function filterChildren(router, lastRouter = false) {
  let children = []
  router.children.forEach((el, index) => {
    if (el.children && el.children.length) {
      if (!lastRouter) {
        el.children.forEach((c) => {
          c.path = el.path + '/' + c.path
          if (c.children && c.children.length) {
            children = children.concat(filterChildren(c, c))
            return
          }
          children.push(c)
        })
        return
      }
    }
    if (lastRouter) {
      el.path = lastRouter.path + '/' + el.path
    }
    children = children.concat(el)
  })
  return children
}

// 动态路由遍历，验证是否具备权限
export function filterDynamicRoutes(routes) {
  const res = []
  routes.forEach((route) => {
    if (route.permissions) {
      if (auth.hasAnyPermission(route.permissions)) {
        res.push(route)
      }
    } else if (route.roles) {
      if (auth.hasAnyRole(route.roles)) {
        res.push(route)
      }
    }
  })
  return res
}

function getDefaultRouter(firstRouter) {
  if (!firstRouter) {
    return
  }
  let path = firstRouter.path
  if (firstRouter.children && firstRouter.children.length) {
    path = path + '/' + firstRouter.children[0].path
  }
  let defRouter = {
    path: '',
    hidden: false,
    redirect: path,
    component: Layout,
  }
  return defRouter
}

function loadAppToMenus() {
  return listApp({ status: 0 }).then((res) => {
    let menus = []
    res.forEach((item) => {
      let menu = {
        name: item.appCode,
        path: `/${item.appCode}/*`,
        hidden: true,
        component: Layout,
      }
      menus.push(menu)
    })
    return menus
  })
}

export const loadView = (view, route) => {
  // 判断是否是达芬奇
  if (route.meta.pathUrl && route.meta.pathUrl.indexOf(':orgId') > -1) {
    //  获取orgId
    /*   getOrgId().then(res => {
        route.meta.pathUrl.replace(':orgId', res.data.data[0].id)
      }).catch(error => {
        Message.error(error.response.data.message)
      }) */
  } else {
    return (resolve) => require([`@/views/${view}`], resolve)
  }
  /* if (process.env.NODE_ENV === 'development') {
    return (resolve) => require([`@/views/${view}`], resolve)
  } else {
    // 使用 import 实现生产环境的路由懒加载
    return (resolve) => require([`@/views/${view}`], resolve)
  } */
}

export default permission
